WASHINGTON — Democratic Rep. Haley Stevens, who is running for an open Senate seat in Michigan, formally introduced articles of impeachment Wednesday against Health and Human Services Secretary Robert F. Kennedy Jr., though they have virtually zero chance of advancing through the Republican-controlled House.

She had vowed to do so in September, arguing that his actions and public remarks had jeopardized public health, increased the cost of health care and cut important medical research programs. The New York Times first reported that Stevens had filed the articles.

In a brief interview Tuesday night, Stevens said she had heeded the call of pro-science groups, who have warned that Kennedy’s 10-month tenure leading HHS has cost American lives and that he must be removed.

“It’s a publi

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